import { type Tree } from '@angular-devkit/schematics';
import { type TuiSchema } from '../../../ng-add/schema';
/**
 * Migrates i18n language providers from of(TUI_*_LANGUAGE) to signal(TUI_*_LANGUAGE).
 *
 * Before:
 * {
 *   provide: TUI_LANGUAGE,
 *   useValue: of(TUI_ENGLISH_LANGUAGE),
 * }
 *
 * After:
 * {
 *   provide: TUI_LANGUAGE,
 *   useValue: signal(TUI_ENGLISH_LANGUAGE),
 * }
 */
export declare function migrateI18nLanguageSignal(tree: Tree, options: TuiSchema): void;